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  CHANGE SPARK PLUGS ???????????

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Author Topic:   CHANGE SPARK PLUGS ???????????
johnmustang
Gearhead

Posts: 4235
From: Vancouver Island , British Columbia , Canada
Registered: Nov 2001

posted 05-20-2003 12:39 AM     Click Here to See the Profile for johnmustang   Click Here to Email johnmustang     Edit/Delete Message   Reply w/Quote
Since I did the engine for my 65 it has now gone about 2700 miles and I was wondering, should I swap out the plugs or am I o.k.with these ones? I have done 6 oil changes in the time of the 2700 miles and will get a new air filter this weekend. When I do change my plugs what are your suggestions for the best ones to use and what would you gap them at?

JOHN

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65 2+2 FASTBACK
87 TAURUS WAGON
98 F150 XLT TRITON V8 4.6, 4 WHEEL DRIVE
Member:Vancouver Island Mustang Association
M&M #1710
MyPhotoPage
MY TRUCK

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steve'66
Gearhead

Posts: 6522
From: Sonoma,CA,USA
Registered: Mar 2000

posted 05-20-2003 01:04 AM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
John,

Your spark plugs should be fine for at least 20,000 more miles unless they are the wrong heat range. What's your engine combo and application?

SteveW

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johnmustang
Gearhead

Posts: 4235
From: Vancouver Island , British Columbia , Canada
Registered: Nov 2001

posted 05-20-2003 10:11 AM     Click Here to See the Profile for johnmustang   Click Here to Email johnmustang     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by steve'66:
John,

Your spark plugs should be fine for at least 20,000 more miles unless they are the wrong heat range. What's your engine combo and application?

SteveW


STEVE,

289 taken out .060 over, 268H cam and all internals to match cam, autolite 4100 - 1.08 venturi, stock intake and exhaust manifolds ( for license and insurance purposes ), MSD pro-billet ready to run dist with MSD coil, C4 with transgo shift kit, 3.25:1 Trac-Loc. Had some major problems early with overheating but finally got it all solved and the car now runs normal temps. This car will be used for cruises and good weather street fun. I will put her on the track just to get some 1/4 times, but that will pretty much be it for track duty. I can not remember what my gap is at on the plugs, my timing at this time is 17 initial and 38 all in at 2900 rpm, the car seems to like this. Which plugs do you suggest I use when it becomes time to change them and what should I gap them at?

JOHN

------------------
65 2+2 FASTBACK
87 TAURUS WAGON
98 F150 XLT TRITON V8 4.6, 4 WHEEL DRIVE
Member:Vancouver Island Mustang Association
M&M #1710
MyPhotoPage
MY TRUCK

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rockafellz
Gearhead

Posts: 1291
From: San Lorenzo, CA, USA
Registered: Aug 2001

posted 05-20-2003 10:18 AM     Click Here to See the Profile for rockafellz   Click Here to Email rockafellz     Edit/Delete Message   Reply w/Quote
I've heard Alex and numerous others recommend .035 gap and i've set mine to that with great results. My timing is also [email protected]

Erik

------------------
1966 Ford Mustang 2+2
Mine - Restomod in Progress

1966 Ford Mustang Coupe
Dad's - Original Unrestored

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indyphil
Gearhead

Posts: 773
From: Lafayette, IN, USA
Registered: Jul 2002

posted 05-20-2003 10:24 AM     Click Here to See the Profile for indyphil   Click Here to Email indyphil     Edit/Delete Message   Reply w/Quote
Someone (I think Alex) said that if you go much over 0.045 on the plug gap that it sometimes doesnt fire to the ground strap but fires to something else and its not as powerful that way. I would say that 0.035 to 0.040 depending on the ignition would be OK

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johnmustang
Gearhead

Posts: 4235
From: Vancouver Island , British Columbia , Canada
Registered: Nov 2001

posted 05-20-2003 12:19 PM     Click Here to See the Profile for johnmustang   Click Here to Email johnmustang     Edit/Delete Message   Reply w/Quote
Best brand of spark plug to use?

JOHN

------------------
65 2+2 FASTBACK
87 TAURUS WAGON
98 F150 XLT TRITON V8 4.6, 4 WHEEL DRIVE
Member:Vancouver Island Mustang Association
M&M #1710
MyPhotoPage
MY TRUCK

IP: Logged

steve'66
Gearhead

Posts: 6522
From: Sonoma,CA,USA
Registered: Mar 2000

posted 05-20-2003 12:29 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by johnmustang:
Best brand of spark plug to use?

JOHN


Autolite

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Moneymaker
Administrator

Posts: 19704
From: Lyons, IL, USA
Registered: May 99

posted 05-20-2003 02:36 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Autolite at .035 gap.

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Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
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Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
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johnmustang
Gearhead

Posts: 4235
From: Vancouver Island , British Columbia , Canada
Registered: Nov 2001

posted 05-20-2003 02:49 PM     Click Here to See the Profile for johnmustang   Click Here to Email johnmustang     Edit/Delete Message   Reply w/Quote
Thanks guys, will do them this weekend.


JOHN

------------------
65 2+2 FASTBACK
87 TAURUS WAGON
98 F150 XLT TRITON V8 4.6, 4 WHEEL DRIVE
Member:Vancouver Island Mustang Association
M&M #1710
MyPhotoPage
MY TRUCK

IP: Logged

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